{"id":"CVE-2024-35988","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nriscv: Fix TASK_SIZE on 64-bit NOMMU\n\nOn NOMMU, userspace memory can come from anywhere in physical RAM","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nriscv: Fix TASK_SIZE on 64-bit NOMMU\n\nOn NOMMU, userspace memory can come from anywhere in physical RAM. The\ncurrent definition of TASK_SIZE is wrong if any RAM exists …","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 5.5, < 5.10.216","linux_kernel >= 5.11, < 5.15.158","linux_kernel >= 5.16, < 6.1.90","linux_kernel >= 6.2, < 6.6.30","linux_kernel >= 6.7, < 6.8.9","linux_kernel = 6.9","debian_linux = 10.0"],"patched":["linux_kernel 6.8.9"],"published":"2024-05-20","updated":"2026-10-15","sourceUpdated":"2026-10-15T01:18:18.317","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2024-35988","references":[{"url":"https://git.kernel.org/stable/c/04bf2e5f95c1a52e28a7567a507f926efe31c3b6","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/4201b8c8f2c32af321fb50867e68ac6c1cbed4be","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/52e8a42b11078d2aad4b9ba96503d77c7299168b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6065e736f82c817c9a597a31ee67f0ce4628e948","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a0f0dbbb1bc49fa0de18e92c36492ff6d804cdaa","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/efdcfa554b6eb228943ef1dd4d023c606be647d2","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/04bf2e5f95c1a52e28a7567a507f926efe31c3b6","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/4201b8c8f2c32af321fb50867e68ac6c1cbed4be","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/52e8a42b11078d2aad4b9ba96503d77c7299168b","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/6065e736f82c817c9a597a31ee67f0ce4628e948","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/a0f0dbbb1bc49fa0de18e92c36492ff6d804cdaa","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/efdcfa554b6eb228943ef1dd4d023c606be647d2","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-265688.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd","cve.org"],"epss":0.0021,"epssPercentile":0.11197,"ingestedAt":"2026-10-15T03:30:12.696Z","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2024-05-20T15:03:33.366892Z"},"slug":"CVE-2024-35988","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nriscv: Fix TASK_SIZE on 64-bit NOMMU\n\nOn NOMMU, userspace memory can come from anywhere in physical RAM. The\ncurrent definition of TASK_SIZE is wrong if any RAM exists above 4G,\ncausing spurious failures in the userspace access routines.\n\n## Affected\n\n- `linux_kernel >= 5.5, < 5.10.216`\n- `linux_kernel >= 5.11, < 5.15.158`\n- `linux_kernel >= 5.16, < 6.1.90`\n- `linux_kernel >= 6.2, < 6.6.30`\n- `linux_kernel >= 6.7, < 6.8.9`\n- `linux_kernel = 6.9`\n- `debian_linux = 10.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.8.9`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}